Liquid-level alarm.



Patented Sept. 24,1918.

,Ziaoewrv f *Beitknown that-I, REUBEN "and State of New.

UNITED STATES, PATENT O FICE. c

IILEUBEN,ALBEBTLQQODWUVQOF .a'i'xmson, NEW HAMPSHIRE.

. like receptacles,-.and it has for itsobject to provide simple and reliable means for auto matically and audibly indicating the fact when the'level of'the liquid in the tank iao reaches a selected or predetermined height, and particularly to provide an automatic alarm of the character indicated which will be adapted for use on automobiles, boats and other motor propelled vehicles to Warn or inform the operator when the supply of gasolene or other liquid has reached a predetermined low-level.

A further object of the invention is to #provide means whereby the device may be arranged or adjusted to sound an alarm at any'desired liquidlevel. q

A further object is to provide a construc tion which maybe readily adapted to tanks of different capacities.

In the accompanying drawings: Figure 1 is a vertical sectional viewv through a tank or reservoir equipped with a level alarm embodying my invention. ig. 2 is a plan view of the same. .Figx'3 is 'asection on line 3--3 of Fig. 1.

Fig.4 is adetail hereinafter described.

J Having reference to the drawings, A represents a'tank'or reservoir provided wlth a filling openin Awithin which is mounted a metal ring K. p The ring A has secured to it the .upper ends of four depending rods at theirlower ends to flanothenmetall ring-F, said ring A to gether with said rods and said lower ring making up a cage withinwhich is arranged a bell or-other suitable resonant member C and a :sphericalfloat or buoyant member I). The bell C is herein shownas fastened at its upper end to-a metal disk ,B'. formed near its periphery with )four holes through which the rods G, H, I and K'extend; The hole L through which the rod- G extends :is a button-hole slot, being; enlarged at its inner j end and relatively 'narrowat its outer end, ,55' l mally interlockingwith the rod Gwhich is said relatively narrow outer [end normotor- Q LIQUIDLEVEL ALARM.

spe'cifieat'ion of Le t'trs iPatent. ScptyZzi; 19:18, -Application filed October 25,1915. assistants. y I 3 i I made I from ,a length of corrugated wire so as to serveas a sup orting rack forthebell carrying disk B. y pressing the rod Grinwardly out of the relatively narrow end of the slot L into the enlarged. inner. end thereof, the disk B maybe unlocked from said rod and adjusted vertically to, position the bell C in accordancewith the liquid level at which it is desired thebell shall sound to give the alarmor signal;

The float-D is loosely con ned within the cage formedby the rods Gr, 1, I and K and so long as the liquid level is above the low level for which. the bell C is positioned, said float will occupy a position within the mouth of the bell thereby serving'to muflie the latter and also to hold the bell. striker C against.

operating. In this way the bell is maintainedsilent so long as the level of the body of liquid within the tank is above the selected or predetermined low level. As the level of the bodyv of liquidwithin tank A falls the float 'D is lowered so that when, the height of the body of liquid reaches the predetermined low level said float is out of contact with thebell and out of the path of the striker C whereupon the swaying, movements imparted to the tank by the movements or the vehicle upon which the tank is mounted, cause the striker to engage the bell and sound the alarm.

.' The rod H may be marked, as shown, to-

serve as a gage by means of which the bell C may be positioned to operate and sound the alarm when, the supply ofliquid with-in the tank has'been reduced to a definite quantity as measured by said gage.

What I claim'is: 1. A liquid level alarm having in combination a bell support; a bell mounted on said support; a float occupying a position below said bell and adapted to be held in engagement with the latter by the liquid so as to render'the bell inoperative while the level of the liquid is above a predetermined height,

away from the bell and means for guiding the float toward and: y

I from said bell.

2,. A liquid level alarm having in conibination a bell support; a bell adjustably m ounted on said support; a float occupyinga old in engagement with the latter by. the

osf

r'position below said bell and adapted to be am toward an from said ball, and a gage f on said support for use in positioning said bell.

3. In a reservoir for liquids, in combination, a tank; a bell support 'W1lJl1]I1 said tank;

'a bell mounted on. said support flfi I fiOtl-t occupying a position below said bellpsal d float being-held in engagel'nent with the letter by the liquid contents of the reservoir so as to render said bell IHOPQIRfiVQ while'the level of the liquid is'above a predetermined height I and being movable away from said bell with the liquid when the level of the latter falls below said predetermined height,*and means 'for guiding said float toward and from the bell.

4. In a 'reservoir for liquids, in combinalion, a tank; a bell support within said tank; a bell; means for holdingsald bell 1n posh niovable awav from said bellwith the tion on said support with provision for ad justinent vertically; :1- fioat occupying eposi: tion below said bell, said float being held in engagement with the bell by the liquid contents of said tank so as to render said bell inoperativewhile the level of the liquid is above a predetermined height and being liquid when the level of the latter falls below said retletermined 'hei ht. and means for uid b h in said float toward and from said bell.

In testimony'whereof I affix my signature in the presence-of two Witnesses.

ALBERT GOODWIN.

Witnesses:

Wm. H. THoMPsoN, MARY R-JoNEs Goopwm. 

